Decorative clock



FIG. 1 is a front elevation view of a decorative clock showing our new design;

FIG. 2 is a top plan view of an decorative clock showing our new design;

FIG. 3 is a back elevation view of an decorative clock showing our new design; and,

FIG. 4 is a right side elevation view of an decorative clock showing our new design. 

The ornamental design for a decorative clock, as shown and described. 